package cn.pugle.oj.leetcode;

import cn.pugle.oj.catalog.DynamicProblem;

/**
 * @author tzp
 * @since 2020/10/18
 */
public class LC647 implements DynamicProblem {
    public int countSubstrings(String s) {
        return -1;
    }

    public static void main(String[] args) {
        System.out.println();
    }
}
